TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 9, 7:55 PM EST
Polymarket
This market refers to the doubles tennis match between Ishii/Kha and Qu/Shao in the US Open Juniors, Girls, originally scheduled for September 9, 2026 at 2:00PM ET. This market will resolve to 'Ishii/Kha' if the team of Ishii/Kha advances against Qu/Shao. This market will resolve to 'Qu/Shao' if the team of Qu/Shao advances against Ishii/Kha. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Ishii/Kha and Qu/Shao in the US Open Juniors, Girls, originally scheduled for September 9, 2026 at 2:00PM ET. This market will resolve to 'Ishii/Kha' if the team of Ishii/Kha advances against Qu/Shao. This market will resolve to 'Qu/Shao' if the team of Qu/Shao advances against Ishii/Kha. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 23, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own analysis and to balance action, while this market aggregates the beliefs of many individual traders. If a significant number of traders believe an outcome is more likely than sportsbooks suggest, the odds on Polymarket will shift accordingly. It’s common to see discrepancies, especially before major events or when new information emerges, but often they converge as the event approaches.
On Polymarket, this market is priced through a continuous trading mechanism where traders buy and sell shares representing their belief in the likelihood of each outcome. The price of these shares directly reflects the implied probability of Ishii/Kha winning against Qu/Shao. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts to reflect the collective assessment. This dynamic pricing ensures the market remains responsive to changing conditions and provides a real-time estimate of the expected outcome.
This market resolves around Sep 16, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the US Open Juniors Girls Doubles match between Ishii/Kha and Qu/Shao. The winning team, as declared by the tournament organizers, will determine the outcome of this market. Traders holding shares in the winning outcome will be paid out according to the final market price at resolution.
Several factors could influence the price of this market. Any news regarding the players' form, injuries, or recent performance in the tournament could shift trader sentiment. Unexpected upsets in earlier rounds, changes in weather conditions affecting play, or even strategic adjustments made by the teams themselves could all cause the odds to move. Furthermore, significant trading volume driven by informed bettors or new information entering the market could also lead to price fluctuations before Sep 16, 2026.